<?php

/**
 * LoginForm class.
 * LoginForm is the data structure for keeping
 * user login form data. It is used by the 'login' action of 'SiteController'.
 */
class LoginForm extends CFormModel
{
	public $username;
	public $password;
	public $rememberMe;

	private $_identity;

                   /**
	 * Declares the validation rules.
	 * The rules state that username and password are required,
	 * and password needs to be authenticated.
	 */
	public function rules()
	{
		return array(
			// username and password are required
			array('username, password', 'required'),
			// rememberMe needs to be a boolean
			array('rememberMe', 'boolean'),
			// password needs to be authenticated
			array('password', 'authenticate'),
                                                       
		);
	}

	/**
	 * Declares attribute labels.
	 */
	public function attributeLabels()
	{
		return array(
			'rememberMe'=>'Remember me next time',
		);
	}

	/**
	 * Authenticates the password.
	 * This is the 'authenticate' validator as declared in rules().
	 */
	public function authenticate($attribute,$params)
	{
		if(!$this->hasErrors())
		{
			$this->_identity=new UserIdentity($this->username,$this->password);
                                                         	if(!$this->_identity->authenticate())
				$this->addError('password','Incorrect username or password.');
		}
	}

	/**
	 * Logs in the user using the given username and password in the model.
	 * @return boolean whether login is successful
	 */
	public function login()
	{
		if($this->_identity===null)
		{
			$this->_identity=new UserIdentity($this->username,$this->password);
			$this->_identity->authenticate();
		}
                                      $row_users = $this->getDatabase();
                                      if (!$row_users[0]['activate_status']) {
                                          $this->addError('username','Xin vui lòng kích hoạt tài khoản');
                                          return FALSE;
                                      }
		if($this->_identity->errorCode===UserIdentity::ERROR_NONE && $row_users[0]['activate_status'])
		{
			$duration=$this->rememberMe ? 3600*24*30 : 0; // 30 days
			Yii::app()->user->login($this->_identity,$duration);
                        
                                                          Yii::app()->session['username'] = $this->username;
                                                          //save to session['login'];
                                                          Yii::app()->session['login'] = true;   
			return true;
		}
		else
			return false;
	}
        public function getDatabase() {
        try {
            $connection = Yii::app()->db;
            $sql = "SELECT * FROM os_users WHERE username = '{$this->username}'";
            $data = $connection->createCommand($sql)->query();
            $rows_users = array();
            while ($row = $data->read()) {
                $rows_users[] = $row;
            }
            return $rows_users;
        }  catch (Exception $e) {
            echo $e;
        }
        }
        
}
